CACTI增加自定义图形
CACTI中增加新的数据获取方法、数据来源、图像模版以及添加图形到某个监控的主机图像集里面。
1. Data Input Methods1.1 Data Input Methods[edit: ptt server stat]? ? Name: ptt server stat
? ? Input Type: Script/Command
? ? Input String: /usr/bin/perl <path_cacti>/scripts/get_ptt_server_status.pl <stub_status_url>
1.2 Input Fields? ? stub_status_url: 填写Friendly Name
1.3 Output Fields? ? current_session: 填写Field和Friendly Name
?
2. Data Templates2.1 Data Templates[edit: PTT Server Stat]? ? Name: PTT Server Stat
2.2 Data Source? ? Name: |host_description| - PTT Server Stat
? ? Data Input Method: ptt server stat
? ? Associated RRA's: 缺省
? ? Step: 缺省
? ? Data Source Active: 缺省（打勾）
2.3 Data Source Item[current_session]? ? Internal Data Source Name: current_session
? ? Minimum Value: 0
? ? Maximum Value: 0
? ? Data Source Type: GAUGE
? ? Heartbeat: 600
? ? Output Field: current_session - current_session
2.4 Custom Data[data input: ptt server stat]? ? Use Per-Data Source Value: addr
? ? 打对勾 Use Per-Data Source Value
?
3. Graph Templates3.1 Graph Template Items[edit: PTT Server Stat]? ? Graph Item ?Data Source ? ? ? ? ? ? ? ? Graph Item Type ? ? CF Type
? ? Item # 1 ? ?(current_session): Active ? LINE1 ? ? ? ? ? ? ? AVERAGE
? ? Item # 2 ? ?(current_session): Current: GPRINT ? ? ? ? ? ? ?LAST
? ? Item # 3 ? ?(current_session): Average: GPRINT ? ? ? ? ? ? ?AVERAGE
? ? Item # 4 ? ?(current_session): Max: ? ? GPRINT ? ? ? ? ? ? ?MAX
3.2 Graph Item Inputs? ? Name: Data Source[current_session]
3.3 Template[edit: PTT Server Stat]? ? Name: PTT Server Stat
3.4 Graph Template? ? Title: |host_description| - PTT Server Stat
? ? 其它缺省
4 添加图形4.1 Devices->host->Associated Graph Templates增加PTT Server Stat4.2 Create Graphs for this Host4.3 Graph Template Name里面打勾PTT Server Stat?
5 监控脚本cat get_ptt_server_status.pl
#!/usr/bin/perluse strict;use Socket;use IO::Socket;if ( exists $ARGV[0]) { if ( $ARGV[0] =~ /^(.+):(\d+)$/ ) { my $host = $1; my $port = $2; my $n = 0; my $sock = new IO::Socket::INET( PeerAddr => $host, PeerPort => $port, Proto => 'tcp', Timeout => 5, ); $sock->send("RPTR 0\n"); my $pdu = <$sock>; if ($pdu =~ /(\d+)\n$/) { $sock->read($pdu, $1); if ($pdu =~ /^SESSIONS: (\d+)/) { $n = $1; } } close($sock); print "current_session:$n "; print "\n"; }}?